CN202883540U - Accelerating oil cylinder device - Google Patents

Accelerating oil cylinder device Download PDF

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Publication number
CN202883540U
CN202883540U CN 201220558045 CN201220558045U CN202883540U CN 202883540 U CN202883540 U CN 202883540U CN 201220558045 CN201220558045 CN 201220558045 CN 201220558045 U CN201220558045 U CN 201220558045U CN 202883540 U CN202883540 U CN 202883540U
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CN
China
Prior art keywords
cylinder
speed
piston
master
main oil
Prior art date
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Active
Application number
CN 201220558045
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Chinese (zh)
Inventor
张瑞琴
帅志阳
李茂�
班磊杰
温智宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANXI TIANCHUANG HYDRAULIC MACHINERY EQUIPMENT MANUFACTURING Co Ltd
Original Assignee
SHANXI TIANCHUANG HYDRAULIC MACHINERY EQUIPMENT MANUFACTURING Co Ltd
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Priority to CN 201220558045 priority Critical patent/CN202883540U/en
Application granted granted Critical
Publication of CN202883540U publication Critical patent/CN202883540U/en
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Abstract

The utility model discloses an accelerating oil cylinder device, belongs to the technical field of hydraulic oil cylinders and aims at solving the problem that a heavy load oil cylinder piston moves slowly without load in idle running. The accelerating oil cylinder device comprises an accelerating cylinder and a main oil cylinder. The accelerating oil cylinder device is characterized in that the accelerating cylinder is fixed at the bottom of the main oil cylinder, a first oil inlet of the accelerating cylinder is formed in the end face of the cylinder bottom of the accelerating cylinder and communicated with a cavity with a rod; a second oil inlet of the accelerating cylinder is formed in the accelerating cylinder barrel near the cylinder bottom of the main oil cylinder, one end of a piston rod of the accelerating cylinder is fixedly connected with a piston of the accelerating cylinder, the other end of the piston rod penetrates the cylinder bottom of the main oil cylinder and is fixedly connected with a piston of the main oil cylinder; an annular wall oil cavity of the main oil cylinder is formed between the piston of the main oil cylinder and the main oil cylinder barrel, a second oil inlet of the main oil cylinder is communicated with the annular wall oil cavity of the main oil cylinder, the first oil inlet of the main oil cylinder is communicated with a cavity without a rod; a prefill valve is arranged at the cylinder bottom of the main oil cylinder, and the prefill valve is communicated with the cavity without the rod. The accelerating oil cylinder device is simple in structure and convenient to install, and fast movement of the main oil cylinder is achieved.

Description

A kind of speedup cylinder apparatus
Technical field
The utility model belongs to technical field of hydraulic oil cylinder, is specifically related to a kind of speedup cylinder apparatus.
Background technique
The matching used heavy load oil cylinder requirement of present domestic machinery needs cylinder diameter is large, pressure is high, in order to obtain enough mechanical pressures, people design the effective work area of the hyperbaric chamber in the piston cylinder larger usually, the travelling speed of piston has been subject to impact like this, does not satisfy the requirement of piston rapid movement in the non-loaded idle stroke.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of and can possess simultaneously higher piston thrust and the speedup cylinder apparatus of piston traveling speed faster.
The utility model is to solve the problems of the technologies described above the technological scheme of taking to be:
A kind of speedup cylinder apparatus, be characterized in: comprise master cylinder and speed-up cylinder, described master cylinder comprises No. two filler openings of master cylinder, master cylinder cylinder bottom, liquid-filling valve and the rodless cavity that main oil cylinder piston, master cylinder cylinder barrel, the filler opening of master cylinder that arranges near the cylinder bottom place, place, close cylinder top arrange on the master cylinder cylinder barrel; Described main oil cylinder piston is provided with ledge structure, and consist of master cylinder ring wall oil pocket between the master cylinder cylinder barrel, No. two filler openings of described master cylinder are communicated with master cylinder ring wall oil pocket, and filler opening of described master cylinder is communicated with rodless cavity between master cylinder cylinder bottom and main oil cylinder piston; The liquid-filling valve that described master cylinder cylinder bottom arranges is communicated with rodless cavity;
Described speed-up cylinder comprises speed-up cylinder cylinder barrel, speed-up cylinder piston, speed-up cylinder piston rod, speedup chamber, filler opening of speed-up cylinder, rod chamber; Described speed-up cylinder cylinder barrel is fixed on the master cylinder cylinder bottom, and filler opening of described speed-up cylinder is arranged on speed-up cylinder cylinder barrel bottom end face and is connected with rod chamber between speed-up cylinder cylinder bottom and speed-up cylinder piston; Also be provided with No. two filler openings of speed-up cylinder near master cylinder cylinder bottom place on described speed-up cylinder cylinder barrel, No. two filler openings of described speed-up cylinder are connected with speedup chamber between speed-up cylinder piston rod and speed-up cylinder cylinder barrel; Described speed-up cylinder piston rod one end and speed-up cylinder piston are affixed, the other end pass the master cylinder cylinder bottom and main oil cylinder piston affixed.
The beneficial effects of the utility model are simple in structure, and are easy for installation, make oil cylinder possess simultaneously larger piston thrust and travelling speed faster in the situation that do not increase the oil hydraulic pump flow.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: filler opening of 1-speed-up cylinder; 2-rod chamber; 3-speed-up cylinder piston; 4-speedup chamber; 5-speed-up cylinder cylinder barrel; 6-speed-up cylinder piston rod; No. two filler openings of 7-speed-up cylinder; 8-liquid-filling valve; 9-master cylinder cylinder bottom; 10-rodless cavity; 11-main oil cylinder piston; 12-master cylinder cylinder barrel; 13-master cylinder ring wall oil pocket; No. two filler openings of 14-master cylinder; Filler opening of 15-master cylinder.
Embodiment
As shown in Figure 1, a kind of speedup cylinder apparatus, be characterized in: comprise master cylinder and speed-up cylinder, described master cylinder comprises No. two filler openings 14 of master cylinder, master cylinder cylinder bottom 9, liquid-filling valve 8 and the rodless cavity (10) that main oil cylinder piston 11, master cylinder cylinder barrel 12, the filler opening 15 of master cylinder that arranges near the cylinder bottom place, place, close cylinder top arrange on master cylinder cylinder barrel 12; Described main oil cylinder piston 11 is provided with ledge structure, and consist of master cylinder ring wall oil pocket 13 between the master cylinder cylinder barrel 12, No. two filler openings 14 of described master cylinder are communicated with master cylinder ring wall oil pocket 13, and filler opening 15 of described master cylinder is communicated with rodless cavity 10 between master cylinder cylinder bottom 9 and main oil cylinder piston 11; The liquid-filling valve 8 that described master cylinder cylinder bottom 9 arranges is communicated with rodless cavity 10;
Described speed-up cylinder comprises speed-up cylinder cylinder barrel 5, speed-up cylinder piston 3, speed-up cylinder piston rod 6, speedup chamber 4, filler opening 1 of speed-up cylinder, rod chamber 2; Described speed-up cylinder cylinder barrel 5 is fixed on the master cylinder cylinder bottom 9, and filler opening 1 of described speed-up cylinder is arranged on speed-up cylinder cylinder barrel 5 bottom end faces and is connected with rod chamber 2 between speed-up cylinder cylinder bottom and speed-up cylinder piston 3; Also be provided with No. two filler openings 7 of speed-up cylinder near master cylinder cylinder bottom 9 places on described speed-up cylinder cylinder barrel 5, No. two filler openings 7 of described speed-up cylinder are connected with speedup chamber 4 between speed-up cylinder piston rod 6 and speed-up cylinder cylinder barrel 5; Described speed-up cylinder piston rod 6 one ends and speed-up cylinder piston 3 are affixed, and it is affixed with main oil cylinder piston 11 that the other end passes master cylinder cylinder bottom 9.
Using method and working principle
When the utility model uses, the oil pump of hydraulic system is next oily to enter speed-up cylinder rod chamber 2 by filler opening 1 of speed-up cylinder, because the area of speed-up cylinder is little, fluid can promote rapidly speed-up cylinder piston 3 and speed-up cylinder piston rod 6 moves, thereby drive main oil cylinder piston 11 fast moving, this moment, the rodless cavity 10 of master cylinder formed vacuum, and carried out repairing by liquid-filling valve 8 from fuel tank, when main oil cylinder piston 11 moves to when touching workpiece, liquid-filling valve 8 cuts out.The oil pump of hydraulic system comes the oily rodless cavity 10 that enters master cylinder from filler opening 15 of master cylinder, and pressurization generation pressure, reaches the high-pressure work state.After the high-pressure work state is finished, liquid-filling valve 8 is opened, No. two filler openings 7 of speed-up cylinder and No. two filler openings 14 of master cylinder are opened oil-feed simultaneously simultaneously, speedup chamber 4 and master cylinder ring wall oil pocket 13 produce pressure, thereby make speed-up cylinder piston rod 6 pulling main oil cylinder pistons 11 get back to rapidly the bottom, fluid in the rodless cavity 10 is discharged from liquid-filling valve 8 rapidly simultaneously, thereby has reduced the auxiliary motion time of main oil cylinder piston 11.

Claims (1)

1. speedup cylinder apparatus, it is characterized in that: comprise master cylinder and speed-up cylinder, described master cylinder comprises No. two filler openings of master cylinder (14), master cylinder cylinder bottom (9), liquid-filling valve (8) and the rodless cavity (10) of main oil cylinder piston (11), master cylinder cylinder barrel (12), a filler opening of master cylinder (15) that arranges at the upward close cylinder bottom place of master cylinder cylinder barrel (12), the place's setting of close cylinder top; Described main oil cylinder piston (11) is provided with ledge structure, and consist of master cylinder ring wall oil pocket (13) between the master cylinder cylinder barrel (12), No. two filler openings of described master cylinder (14) are communicated with master cylinder ring wall oil pocket (13), and a filler opening of described master cylinder (15) is communicated with the rodless cavity (10) that is positioned between master cylinder cylinder bottom (9) and the main oil cylinder piston (11); The liquid-filling valve (8) that described master cylinder cylinder bottom (9) arranges is communicated with rodless cavity (10);
Described speed-up cylinder comprises speed-up cylinder cylinder barrel (5), speed-up cylinder piston (3), speed-up cylinder piston rod (6), speedup chamber (4), a filler opening of speed-up cylinder (1), rod chamber (2); Described speed-up cylinder cylinder barrel (5) is fixed on the master cylinder cylinder bottom (9), and a filler opening of described speed-up cylinder (1) is arranged on speed-up cylinder cylinder barrel (5) bottom end face and is connected with the rod chamber (2) that is positioned between speed-up cylinder cylinder bottom and the speed-up cylinder piston (3); Locate also to be provided with No. two filler openings of speed-up cylinder (7) at the upper close master cylinder cylinder bottom (9) of described speed-up cylinder cylinder barrel (5), No. two filler openings of described speed-up cylinder (7) are connected with the speedup chamber (4) that is positioned between speed-up cylinder piston rod (6) and the speed-up cylinder cylinder barrel (5); Described speed-up cylinder piston rod (6) one ends and speed-up cylinder piston (3) are affixed, and it is affixed with main oil cylinder piston (11) that the other end passes master cylinder cylinder bottom (9).
CN 201220558045 2012-10-29 2012-10-29 Accelerating oil cylinder device Active CN202883540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220558045 CN202883540U (en) 2012-10-29 2012-10-29 Accelerating oil cylinder device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220558045 CN202883540U (en) 2012-10-29 2012-10-29 Accelerating oil cylinder device

Publications (1)

Publication Number Publication Date
CN202883540U true CN202883540U (en) 2013-04-17

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ID=48074973

Family Applications (1)

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CN 201220558045 Active CN202883540U (en) 2012-10-29 2012-10-29 Accelerating oil cylinder device

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CN (1) CN202883540U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878147A (en) * 2012-10-29 2013-01-16 山西天创液压机械设备制造有限公司 Acceleration oil cylinder device
CN103233941A (en) * 2013-05-07 2013-08-07 福建海源自动化机械股份有限公司 Multistage pressure cylinder and pressurization usage method and depressurization usage method thereof
CN105058554A (en) * 2015-07-31 2015-11-18 江苏腾宇机械制造有限公司 Oil cylinder assembly and full-automatic two-way pressurizing hydraulic brick press with same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878147A (en) * 2012-10-29 2013-01-16 山西天创液压机械设备制造有限公司 Acceleration oil cylinder device
CN103233941A (en) * 2013-05-07 2013-08-07 福建海源自动化机械股份有限公司 Multistage pressure cylinder and pressurization usage method and depressurization usage method thereof
CN103233941B (en) * 2013-05-07 2016-08-17 福建海源自动化机械股份有限公司 Multi-stage booster cylinder and pressurize using method and release using method
CN105058554A (en) * 2015-07-31 2015-11-18 江苏腾宇机械制造有限公司 Oil cylinder assembly and full-automatic two-way pressurizing hydraulic brick press with same

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